10          20        30        40        50        60 
CGGACCCGGACCCGGAC--|  A        G    C       U         CUUGCACA 
                   CCG CGGCUCGG AGCC UUGUUAU CGCGCAUCG        \
                   GGC GCUGAGCU UCGG GACAGUG GCGUGUGGC        G
CCGUCCCAGGCGCCGAGCA^  C        G    C       U         CGAAGUCU 
 120       110       100        90        80        70